CVEvulnerability
CVE-2021-3714
5.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-08-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-200
Description
A flaw was found in the Linux kernels memory deduplication mechanism. Previous work has shown that memory deduplication can be attacked via a local exploitation mechanism. The same technique can be used if an attacker can upload page sized files and detect the change in access time from a networked service to determine if the page has been merged.
Affected configurations
• linux linux kernel
• redhat enterprise linux 6.0
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
Related
Weakness · CWE (1)
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
References
- https://access.redhat.com/security/cve/CVE-2021-3714 Third Party Advisory
- https://arxiv.org/abs/2111.08553 Third Party Advisory
- https://arxiv.org/pdf/2111.08553.pdf Technical Description, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1931327 Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3714 Third Party Advisory
- https://arxiv.org/abs/2111.08553 Third Party Advisory
- https://arxiv.org/pdf/2111.08553.pdf Technical Description, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1931327 Issue Tracking, Third Party Advisory